← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 153 · 40 sums
TalentJR

The trick (Sankalana-Vyavakalanabhyam): Take the smaller number away from the bigger one, as many times as it goes. Now use the smaller number and what is left. Repeat until nothing is left: the last number before 0 is the HCF.

NameDateTime takenScore ___ / 40
  1. 1.HCF of 54 and 144 =
  2. 2.HCF of 255 and 34 =
  3. 3.HCF of 286 and 66 =
  4. 4.HCF of 240 and 264 =
  5. 5.HCF of 315 and 399 =
  6. 6.HCF of 50 and 275 =
  7. 7.HCF of 176 and 209 =
  8. 8.HCF of 68 and 72 =
  9. 9.HCF of 180 and 130 =
  10. 10.HCF of 27 and 51 =
  11. 11.HCF of 198 and 126 =
  12. 12.HCF of 105 and 75 =
  13. 13.HCF of 65 and 52 =
  14. 14.HCF of 60 and 170 =
  15. 15.HCF of 240 and 304 =
  16. 16.HCF of 56 and 44 =
  17. 17.HCF of 418 and 396 =
  18. 18.HCF of 40 and 24 =
  19. 19.HCF of 175 and 50 =
  20. 20.HCF of 50 and 160 =
  21. 21.HCF of 8 and 18 =
  22. 22.HCF of 15 and 18 =
  23. 23.HCF of 26 and 16 =
  24. 24.HCF of 110 and 132 =
  25. 25.HCF of 39 and 36 =
  26. 26.HCF of 143 and 117 =
  27. 27.HCF of 266 and 140 =
  28. 28.HCF of 96 and 204 =
  29. 29.HCF of 21 and 15 =
  30. 30.HCF of 285 and 270 =
  31. 31.HCF of 6 and 22 =
  32. 32.HCF of 46 and 437 =
  33. 33.HCF of 63 and 210 =
  34. 34.HCF of 110 and 140 =
  35. 35.HCF of 270 and 288 =
  36. 36.HCF of 27 and 33 =
  37. 37.HCF of 190 and 247 =
  38. 38.HCF of 168 and 48 =
  39. 39.HCF of 14 and 38 =
  40. 40.HCF of 154 and 165 =

Answer key

  1. 18
  2. 17
  3. 22
  4. 24
  5. 21
  6. 25
  7. 11
  8. 4
  9. 10
  10. 3
  11. 18
  12. 15
  13. 13
  14. 10
  15. 16
  16. 4
  17. 22
  18. 8
  19. 25
  20. 10
  21. 2
  22. 3
  23. 2
  24. 22
  25. 3
  26. 13
  27. 14
  28. 12
  29. 3
  30. 15
  31. 2
  32. 23
  33. 21
  34. 10
  35. 18
  36. 3
  37. 19
  38. 24
  39. 2
  40. 11

Free vedic maths lessons, practice and worksheets at talentjr.in/vedic-maths